Adding and Subtracting Fractions with unlike Denom.

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What are unlike denominators?

Back

Unlike denominators are denominators that are not the same in two or more fractions.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

How do you add fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find a common denominator, convert each fraction, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting fractions with unlike denominators?

Back

The first step is to find a common denominator for the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you find a common denominator for 1/3 and 1/4?

Back

The least common multiple of 3 and 4 is 12, so the common denominator is 12.

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Back

Convert mixed numbers to improper fractions, find a common denominator, and then add.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2